WebSVN – livecd – Diff – /trunk/linux-live.sl/initrd/linuxrc


#!/bin/ash
#
# Original version from http://www.linux-live.org/
#
# modified by Urs Beyerle
# - to allow LiveCD mounted over NFS
# - add support for LiveCD on SATA devices
# - to allow LiveCD mounted over CIFS
 
export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin
. liblinuxlive
 
 
echolog "mounting /proc and /sys filesystems"
mount -t proc proc /proc
mount -t sysfs sysfs /sys
ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a
 
# setup DEBUGCMD variable. If debug boot option is present, call debug()
# function several times during script's execution
if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi
 
$DEBUGCMD
 
# amount of RAM to store changes
RAMSIZE="`cmdline_value ramsize`"
if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi
 
# Set these variables very carefully
UNION=/union
MEMORY=/memory
MOUNTDIR=livecd
CHANGES=$MEMORY/SL55changes
COPY2RAM=$MEMORY/copy2ram
IMAGES=$MEMORY/images
INITRAMDISK=$MOUNTDIR/live
 
# set NFSROOT and NFSOPTS 
NFSROOT="`cmdline_value nfsroot`"
NFSOPTS="`cmdline_value nfsopts`"
if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi
 
# set CIFSROOT and CIFSOPTS
CIFSROOT="`cmdline_value cifsroot`"
CIFSOPTS="`cmdline_value cifsopts`"
 
# set DHCPDELAY (in seconds)
DHCPDELAY="`cmdline_value dhcpdelay`"
if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi
 
# set USBDELAY (in seconds)
USBDELAY="`cmdline_value usbdelay`"
if [ "$USBDELAY" = "" ]; then USBDELAY=8; fi
 
# we need cdrom support, isofs support, unionfs/aufs support, etc
modprobe_essential_modules
 
# disable DMA if nodma parameter is used
setup_dma
 
$DEBUGCMD
 
# if NFSROOT is set:
echolog "check for nfsroot or cifsroot"
if [ "$NFSROOT" != "" ]; then
 
   echolog "nfsroot: $NFSROOT"
   $DEBUGCMD
   load_network_modules
   $DEBUGCMD
   get_dhcp_lease
   $DEBUGCMD
   modprobe_nfs_modules
 
# if CIFSROOT is set
elif [ "$CIFSROOT" != "" ]; then
 
   echolog "cifsroot: $CIFSROOT"
   $DEBUGCMD
   load_network_modules
   $DEBUGCMD
   get_dhcp_lease
   $DEBUGCMD
   modprobe_cifs_modules
 
fi
 
$DEBUGCMD
 
# $UNION will be used as a root directory, livecd modules will be added soon.
echolog "setup union on $UNION"
mkdir -p $UNION
mkdir -p $MEMORY
 
# looking for changes= parameter
CHANGESVAL="`cmdline_value changes`"
if [ "$CHANGESVAL" != "" ]; then 
    # disable kernel warnings
    PRINTK=`cat /proc/sys/kernel/printk`
    echo "0" >/proc/sys/kernel/printk
    find_changes
    # enable kernel warnings
    echo "$PRINTK" >/proc/sys/kernel/printk
fi
mkdir -p $MEMORY
 
$DEBUGCMD
 
# mount tmpfs only in the case when changes= boot parameter was empty
if [ "$CHANGESVAL" = "" ]; then 
    echolog "mount tmpfs"
    mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY
    $DEBUGCMD
fi
 
mkdir -p $CHANGES
mkdir -p $COPY2RAM
rm -rf $IMAGES
mkdir -p $IMAGES
 
# mount unionfs or aufs
lsmod | grep -q ^unionfs
if [ $? -eq 0 ]; then  
    mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION
    if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi
    echolog "unionfs mounted"
else
    mount -t aufs -o br:$CHANGES=rw aufs $UNION
    if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi
    echolog "aufs mounted"
fi
 
$DEBUGCMD
 
# try to find livecd data directory. If not found, try modprobing
# USB and SATA kernel modules and repeat the find procedure again
echolog "looking for data modules"
 
# disable kernel warnings
PRINTK=`cat /proc/sys/kernel/printk`
echo "0" >/proc/sys/kernel/printk
DATA="`find_live_data_dir $MOUNTDIR`"
# enable kernel warnings
echo "$PRINTK" >/proc/sys/kernel/printk
 
if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi
if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi
echolog "LiveCD found in: $DATA"
 
$DEBUGCMD
 
# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.
# (skip modules from /optional/ which are not listed in load= boot option)
# Finaly modify DATA variable so it will point to correct directory
if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then
   echolog "copying modules to RAM, this may take some time"
   copy_to_ram $DATA $COPY2RAM
   cd_autoeject 1
   umount $DATA 2>/dev/null
   if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi
   DATA=$COPY2RAM
   cd_autoeject 0
fi
 
mkdir -p $UNION/boot
mount -o bind $DATA $UNION/boot
 
$DEBUGCMD
 
# DATA contains path to the base directory of all .mo images which need
# to be mounted and inserted into live filesystem. Do it now.
echolog "inserting all modules and creating live filesystem"
union_insert_modules $UNION $DATA $IMAGES
 
$DEBUGCMD
 
echo "copying rootchanges"
copy_rootchanges $DATA $UNION
 
$DEBUGCMD
 
echo "creating /etc/fstab"
activate_fstab $UNION
 
# More likely these directories aren't there.
# Even if they are, this won't hurt.
mkdir -p $UNION/proc
mkdir -p $UNION/sys
mkdir -p $UNION/tmp
chmod 1777 $UNION/tmp
mkdir -p $UNION/dev
mkdir -p $UNION/initrd
 
$DEBUGCMD
 
# no X? (set runlevel to 3)
if [ "`cmdline_parameter nox`" ]; then
  echo "set runlevel to 3"
  sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab
fi
 
# with X? (set runlevel to 5)
if [ "`cmdline_parameter withx`" ]; then
  echo "set runlevel to 5"
  sed -i "s/id:.:initdefault:/id:5:initdefault:/" $UNION/etc/inittab
fi
 
$DEBUGCMD
 
# Union contains all the files and directories unioned from all modules.
# Change root directory to it, and move initrd's root to /livecd/live/initramdisk
# Finaly execute /sbin/init to start the distribution.
echolog "changing root directory..."
cd $UNION
mkdir -p $INITRAMDISK
 
umount /sys # we won't need it anymore
 
# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi
 
# Copy all dev files (found by mdev) to unioned dev directory
# so at least disk devices exist (your Linux may need them).
# Two exceptions, do not copy pty* and tty* devs.
if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi
cp -fdR /dev . 2>/dev/null
 
if [ -x $UNION/usr/sbin/chroot ];
  then CHROOT=/usr/sbin/chroot
  else CHROOT=/usr/bin/chroot
fi
 
echolog "End of linux live scripts"
 
# pure magic ;-)
cat $UNION/bin/true >/dev/null
 
$DEBUGCMD
 
pivot_root . $INITRAMDISK
exec $CHROOT . sbin/init <dev/console >dev/console 2>&1
 
header "ERROR!"
echolog "You are not supposed to be here, something went wrong!"
echolog "Even Ctrl+Alt+Del won't help you in kernel panic."
echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"
 

Rev 249	Rev 256
1	`#!/bin/ash`	1	`#!/bin/ash`
2	`#`	2	`#`
3	`# Original version from http://www.linux-live.org/`	3	`# Original version from http://www.linux-live.org/`
4	`#`	4	`#`
5	`# modified by Urs Beyerle`	5	`# modified by Urs Beyerle`
6	`# - to allow LiveCD mounted over NFS`	6	`# - to allow LiveCD mounted over NFS`
7	`# - add support for LiveCD on SATA devices`	7	`# - add support for LiveCD on SATA devices`
8	`# - to allow LiveCD mounted over CIFS`	8	`# - to allow LiveCD mounted over CIFS`
9		9
10	`export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin`	10	`export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin`
11	`. liblinuxlive`	11	`. liblinuxlive`
12		12
13		13
14	`echolog "mounting /proc and /sys filesystems"`	14	`echolog "mounting /proc and /sys filesystems"`
15	`mount -t proc proc /proc`	15	`mount -t proc proc /proc`
16	`mount -t sysfs sysfs /sys`	16	`mount -t sysfs sysfs /sys`
17	`ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a`	17	`ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a`
18		18
19	`# setup DEBUGCMD variable. If debug boot option is present, call debug()`	19	`# setup DEBUGCMD variable. If debug boot option is present, call debug()`
20	`# function several times during script's execution`	20	`# function several times during script's execution`
21	if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi	21	if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi
22		22
23	`$DEBUGCMD`	23	`$DEBUGCMD`
24		24
25	`# amount of RAM to store changes`	25	`# amount of RAM to store changes`
26	RAMSIZE="`cmdline_value ramsize`"	26	RAMSIZE="`cmdline_value ramsize`"
27	`if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi`	27	`if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi`
28		28
29	`# Set these variables very carefully`	29	`# Set these variables very carefully`
30	`UNION=/union`	30	`UNION=/union`
31	`MEMORY=/memory`	31	`MEMORY=/memory`
32	`MOUNTDIR=livecd`	32	`MOUNTDIR=livecd`
33	`CHANGES=$MEMORY/SL54changes`	33	`CHANGES=$MEMORY/SL55changes`
34	`COPY2RAM=$MEMORY/copy2ram`	34	`COPY2RAM=$MEMORY/copy2ram`
35	`IMAGES=$MEMORY/images`	35	`IMAGES=$MEMORY/images`
36	`INITRAMDISK=$MOUNTDIR/live`	36	`INITRAMDISK=$MOUNTDIR/live`
37		37
38	`# set NFSROOT and NFSOPTS`	38	`# set NFSROOT and NFSOPTS`
39	NFSROOT="`cmdline_value nfsroot`"	39	NFSROOT="`cmdline_value nfsroot`"
40	NFSOPTS="`cmdline_value nfsopts`"	40	NFSOPTS="`cmdline_value nfsopts`"
41	`if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi`	41	`if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi`
42		42
43	`# set CIFSROOT and CIFSOPTS`	43	`# set CIFSROOT and CIFSOPTS`
44	CIFSROOT="`cmdline_value cifsroot`"	44	CIFSROOT="`cmdline_value cifsroot`"
45	CIFSOPTS="`cmdline_value cifsopts`"	45	CIFSOPTS="`cmdline_value cifsopts`"
46		46
47	`# set DHCPDELAY (in seconds)`	47	`# set DHCPDELAY (in seconds)`
48	DHCPDELAY="`cmdline_value dhcpdelay`"	48	DHCPDELAY="`cmdline_value dhcpdelay`"
49	`if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi`	49	`if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi`
50		50
51	`# set USBDELAY (in seconds)`	51	`# set USBDELAY (in seconds)`
52	USBDELAY="`cmdline_value usbdelay`"	52	USBDELAY="`cmdline_value usbdelay`"
53	`if [ "$USBDELAY" = "" ]; then USBDELAY=8; fi`	53	`if [ "$USBDELAY" = "" ]; then USBDELAY=8; fi`
54		54
55	`# we need cdrom support, isofs support, unionfs/aufs support, etc`	55	`# we need cdrom support, isofs support, unionfs/aufs support, etc`
56	`modprobe_essential_modules`	56	`modprobe_essential_modules`
57		57
58	`# disable DMA if nodma parameter is used`	58	`# disable DMA if nodma parameter is used`
59	`setup_dma`	59	`setup_dma`
60		60
61	`$DEBUGCMD`	61	`$DEBUGCMD`
62		62
63	`# if NFSROOT is set:`	63	`# if NFSROOT is set:`
64	`echolog "check for nfsroot or cifsroot"`	64	`echolog "check for nfsroot or cifsroot"`
65	`if [ "$NFSROOT" != "" ]; then`	65	`if [ "$NFSROOT" != "" ]; then`
66		66
67	`echolog "nfsroot: $NFSROOT"`	67	`echolog "nfsroot: $NFSROOT"`
68	`$DEBUGCMD`	68	`$DEBUGCMD`
69	`load_network_modules`	69	`load_network_modules`
70	`$DEBUGCMD`	70	`$DEBUGCMD`
71	`get_dhcp_lease`	71	`get_dhcp_lease`
72	`$DEBUGCMD`	72	`$DEBUGCMD`
73	`modprobe_nfs_modules`	73	`modprobe_nfs_modules`
74		74
75	`# if CIFSROOT is set`	75	`# if CIFSROOT is set`
76	`elif [ "$CIFSROOT" != "" ]; then`	76	`elif [ "$CIFSROOT" != "" ]; then`
77		77
78	`echolog "cifsroot: $CIFSROOT"`	78	`echolog "cifsroot: $CIFSROOT"`
79	`$DEBUGCMD`	79	`$DEBUGCMD`
80	`load_network_modules`	80	`load_network_modules`
81	`$DEBUGCMD`	81	`$DEBUGCMD`
82	`get_dhcp_lease`	82	`get_dhcp_lease`
83	`$DEBUGCMD`	83	`$DEBUGCMD`
84	`modprobe_cifs_modules`	84	`modprobe_cifs_modules`
85		85
86	`fi`	86	`fi`
87		87
88	`$DEBUGCMD`	88	`$DEBUGCMD`
89		89
90	`# $UNION will be used as a root directory, livecd modules will be added soon.`	90	`# $UNION will be used as a root directory, livecd modules will be added soon.`
91	`echolog "setup union on $UNION"`	91	`echolog "setup union on $UNION"`
92	`mkdir -p $UNION`	92	`mkdir -p $UNION`
93	`mkdir -p $MEMORY`	93	`mkdir -p $MEMORY`
94		94
95	`# looking for changes= parameter`	95	`# looking for changes= parameter`
96	CHANGESVAL="`cmdline_value changes`"	96	CHANGESVAL="`cmdline_value changes`"
97	`if [ "$CHANGESVAL" != "" ]; then`	97	`if [ "$CHANGESVAL" != "" ]; then`
98	`# disable kernel warnings`	98	`# disable kernel warnings`
99	PRINTK=`cat /proc/sys/kernel/printk`	99	PRINTK=`cat /proc/sys/kernel/printk`
100	`echo "0" >/proc/sys/kernel/printk`	100	`echo "0" >/proc/sys/kernel/printk`
101	`find_changes`	101	`find_changes`
102	`# enable kernel warnings`	102	`# enable kernel warnings`
103	`echo "$PRINTK" >/proc/sys/kernel/printk`	103	`echo "$PRINTK" >/proc/sys/kernel/printk`
104	`fi`	104	`fi`
105	`mkdir -p $MEMORY`	105	`mkdir -p $MEMORY`
106		106
107	`$DEBUGCMD`	107	`$DEBUGCMD`
108		108
109	`# mount tmpfs only in the case when changes= boot parameter was empty`	109	`# mount tmpfs only in the case when changes= boot parameter was empty`
110	`if [ "$CHANGESVAL" = "" ]; then`	110	`if [ "$CHANGESVAL" = "" ]; then`
111	`echolog "mount tmpfs"`	111	`echolog "mount tmpfs"`
112	`mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY`	112	`mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY`
113	`$DEBUGCMD`	113	`$DEBUGCMD`
114	`fi`	114	`fi`
115		115
116	`mkdir -p $CHANGES`	116	`mkdir -p $CHANGES`
117	`mkdir -p $COPY2RAM`	117	`mkdir -p $COPY2RAM`
118	`rm -rf $IMAGES`	118	`rm -rf $IMAGES`
119	`mkdir -p $IMAGES`	119	`mkdir -p $IMAGES`
120		120
121	`# mount unionfs or aufs`	121	`# mount unionfs or aufs`
122	`lsmod \| grep -q ^unionfs`	122	`lsmod \| grep -q ^unionfs`
123	`if [ $? -eq 0 ]; then`	123	`if [ $? -eq 0 ]; then`
124	`mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION`	124	`mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION`
125	`if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi`	125	`if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi`
126	`echolog "unionfs mounted"`	126	`echolog "unionfs mounted"`
127	`else`	127	`else`
128	`mount -t aufs -o br:$CHANGES=rw aufs $UNION`	128	`mount -t aufs -o br:$CHANGES=rw aufs $UNION`
129	`if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi`	129	`if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi`
130	`echolog "aufs mounted"`	130	`echolog "aufs mounted"`
131	`fi`	131	`fi`
132		132
133	`$DEBUGCMD`	133	`$DEBUGCMD`
134		134
135	`# try to find livecd data directory. If not found, try modprobing`	135	`# try to find livecd data directory. If not found, try modprobing`
136	`# USB and SATA kernel modules and repeat the find procedure again`	136	`# USB and SATA kernel modules and repeat the find procedure again`
137	`echolog "looking for data modules"`	137	`echolog "looking for data modules"`
138		138
139	`# disable kernel warnings`	139	`# disable kernel warnings`
140	PRINTK=`cat /proc/sys/kernel/printk`	140	PRINTK=`cat /proc/sys/kernel/printk`
141	`echo "0" >/proc/sys/kernel/printk`	141	`echo "0" >/proc/sys/kernel/printk`
142	DATA="`find_live_data_dir $MOUNTDIR`"	142	DATA="`find_live_data_dir $MOUNTDIR`"
143	`# enable kernel warnings`	143	`# enable kernel warnings`
144	`echo "$PRINTK" >/proc/sys/kernel/printk`	144	`echo "$PRINTK" >/proc/sys/kernel/printk`
145		145
146	if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi	146	if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi
147	`if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi`	147	`if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi`
148	`echolog "LiveCD found in: $DATA"`	148	`echolog "LiveCD found in: $DATA"`
149		149
150	`$DEBUGCMD`	150	`$DEBUGCMD`
151		151
152	`# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.`	152	`# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.`
153	`# (skip modules from /optional/ which are not listed in load= boot option)`	153	`# (skip modules from /optional/ which are not listed in load= boot option)`
154	`# Finaly modify DATA variable so it will point to correct directory`	154	`# Finaly modify DATA variable so it will point to correct directory`
155	if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then	155	if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then
156	`echolog "copying modules to RAM, this may take some time"`	156	`echolog "copying modules to RAM, this may take some time"`
157	`copy_to_ram $DATA $COPY2RAM`	157	`copy_to_ram $DATA $COPY2RAM`
158	`cd_autoeject 1`	158	`cd_autoeject 1`
159	`umount $DATA 2>/dev/null`	159	`umount $DATA 2>/dev/null`
160	if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi	160	if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi
161	`DATA=$COPY2RAM`	161	`DATA=$COPY2RAM`
162	`cd_autoeject 0`	162	`cd_autoeject 0`
163	`fi`	163	`fi`
164		164
165	`mkdir -p $UNION/boot`	165	`mkdir -p $UNION/boot`
166	`mount -o bind $DATA $UNION/boot`	166	`mount -o bind $DATA $UNION/boot`
167		167
168	`$DEBUGCMD`	168	`$DEBUGCMD`
169		169
170	`# DATA contains path to the base directory of all .mo images which need`	170	`# DATA contains path to the base directory of all .mo images which need`
171	`# to be mounted and inserted into live filesystem. Do it now.`	171	`# to be mounted and inserted into live filesystem. Do it now.`
172	`echolog "inserting all modules and creating live filesystem"`	172	`echolog "inserting all modules and creating live filesystem"`
173	`union_insert_modules $UNION $DATA $IMAGES`	173	`union_insert_modules $UNION $DATA $IMAGES`
174		174
175	`$DEBUGCMD`	175	`$DEBUGCMD`
176		176
177	`echo "copying rootchanges"`	177	`echo "copying rootchanges"`
178	`copy_rootchanges $DATA $UNION`	178	`copy_rootchanges $DATA $UNION`
179		179
180	`$DEBUGCMD`	180	`$DEBUGCMD`
181		181
182	`echo "creating /etc/fstab"`	182	`echo "creating /etc/fstab"`
183	`activate_fstab $UNION`	183	`activate_fstab $UNION`
184		184
185	`# More likely these directories aren't there.`	185	`# More likely these directories aren't there.`
186	`# Even if they are, this won't hurt.`	186	`# Even if they are, this won't hurt.`
187	`mkdir -p $UNION/proc`	187	`mkdir -p $UNION/proc`
188	`mkdir -p $UNION/sys`	188	`mkdir -p $UNION/sys`
189	`mkdir -p $UNION/tmp`	189	`mkdir -p $UNION/tmp`
190	`chmod 1777 $UNION/tmp`	190	`chmod 1777 $UNION/tmp`
191	`mkdir -p $UNION/dev`	191	`mkdir -p $UNION/dev`
192	`mkdir -p $UNION/initrd`	192	`mkdir -p $UNION/initrd`
193		193
194	`$DEBUGCMD`	194	`$DEBUGCMD`
195		195
196	`# no X? (set runlevel to 3)`	196	`# no X? (set runlevel to 3)`
197	if [ "`cmdline_parameter nox`" ]; then	197	if [ "`cmdline_parameter nox`" ]; then
198	`echo "set runlevel to 3"`	198	`echo "set runlevel to 3"`
199	`sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab`	199	`sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab`
200	`fi`	200	`fi`
201		201
202	`# with X? (set runlevel to 5)`	202	`# with X? (set runlevel to 5)`
203	if [ "`cmdline_parameter withx`" ]; then	203	if [ "`cmdline_parameter withx`" ]; then
204	`echo "set runlevel to 5"`	204	`echo "set runlevel to 5"`
205	`sed -i "s/id:.:initdefault:/id:5:initdefault:/" $UNION/etc/inittab`	205	`sed -i "s/id:.:initdefault:/id:5:initdefault:/" $UNION/etc/inittab`
206	`fi`	206	`fi`
207		207
208	`$DEBUGCMD`	208	`$DEBUGCMD`
209		209
210	`# Union contains all the files and directories unioned from all modules.`	210	`# Union contains all the files and directories unioned from all modules.`
211	`# Change root directory to it, and move initrd's root to /livecd/live/initramdisk`	211	`# Change root directory to it, and move initrd's root to /livecd/live/initramdisk`
212	`# Finaly execute /sbin/init to start the distribution.`	212	`# Finaly execute /sbin/init to start the distribution.`
213	`echolog "changing root directory..."`	213	`echolog "changing root directory..."`
214	`cd $UNION`	214	`cd $UNION`
215	`mkdir -p $INITRAMDISK`	215	`mkdir -p $INITRAMDISK`
216		216
217	`umount /sys # we won't need it anymore`	217	`umount /sys # we won't need it anymore`
218		218
219	`# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi`	219	`# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi`
220		220
221	`# Copy all dev files (found by mdev) to unioned dev directory`	221	`# Copy all dev files (found by mdev) to unioned dev directory`
222	`# so at least disk devices exist (your Linux may need them).`	222	`# so at least disk devices exist (your Linux may need them).`
223	`# Two exceptions, do not copy pty* and tty* devs.`	223	`# Two exceptions, do not copy pty* and tty* devs.`
224	`if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi`	224	`if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi`
225	`cp -fdR /dev . 2>/dev/null`	225	`cp -fdR /dev . 2>/dev/null`
226		226
227	`if [ -x $UNION/usr/sbin/chroot ];`	227	`if [ -x $UNION/usr/sbin/chroot ];`
228	`then CHROOT=/usr/sbin/chroot`	228	`then CHROOT=/usr/sbin/chroot`
229	`else CHROOT=/usr/bin/chroot`	229	`else CHROOT=/usr/bin/chroot`
230	`fi`	230	`fi`
231		231
232	`echolog "End of linux live scripts"`	232	`echolog "End of linux live scripts"`
233		233
234	`# pure magic ;-)`	234	`# pure magic ;-)`
235	`cat $UNION/bin/true >/dev/null`	235	`cat $UNION/bin/true >/dev/null`
236		236
237	`$DEBUGCMD`	237	`$DEBUGCMD`
238		238
239	`pivot_root . $INITRAMDISK`	239	`pivot_root . $INITRAMDISK`
240	`exec $CHROOT . sbin/init <dev/console >dev/console 2>&1`	240	`exec $CHROOT . sbin/init <dev/console >dev/console 2>&1`
241		241
242	`header "ERROR!"`	242	`header "ERROR!"`
243	`echolog "You are not supposed to be here, something went wrong!"`	243	`echolog "You are not supposed to be here, something went wrong!"`
244	`echolog "Even Ctrl+Alt+Del won't help you in kernel panic."`	244	`echolog "Even Ctrl+Alt+Del won't help you in kernel panic."`
245	`echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"`	245	`echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"`
246		246

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